Water Table and Salinity Movement in a Silty Clay Soil

by Lyman S. Willardson, Utah State Univ, Logan, UT, USA,
Riaz Javaid, Utah State Univ, Logan, UT, USA,

Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century


The movement of the water table and profile salinity in a shallow drained soil in permanent pasture overlying an artesian aquifer was observed. Soil samples were taken before and after the growing season and were analyzed for EC, pH and Chloride concentration. A salinity buildup exists between 2 and 3 meters below the ground surface. Soil moisture status at six different locations in the drained area was recorded throughout the year using a neutron meter. Observation wells were installed for checking the water table fluctuations. Based on the data collected, some water management recommendations are made for salinity control in the area.

Subject Headings: Clays | Soil water movement | Salt water | Soil analysis | Water table | Silt | Drainage | Porous media

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